#!/usr/bin/perl -w

$TOCHEADER=" TABLE OF CONTENTS";

open(O, ">FAQ.html");


# Load FAQ into memory
while(<>) {
  push (@faqfile, $_);
}
my $current_line = 0;
my $version;

# Skip header up to table of contents
while($current_line <= $#faqfile) {
    $_ = $faqfile[$current_line];
    $current_line++;

    if (/Net-SNMP Version: (.*)/) {
      $version = $1;
    }

    last if (/$TOCHEADER/);
}

print O '<p class="SectionTitle">
FAQ
</p>
FAQ Maintainer: Dave Shield<br/>
Email: <a href="mailto:net-snmp-coders@lists.sourceforge.net">net-snmp-coders@list.sourceforge.net</a><br/>
';
print O "Version: $version<br/>\n";
print O '<hr/>
<h2>Table of Contents</h2>
';

# Create table of contents
while($current_line <= $#faqfile) {
    $_ = $faqfile[$current_line];
    
    #Skip blank lines
    if (/^\s*$/) {
      $current_line++;
      last;
    }

    chomp();

    # Remove white space at start of line
    $_ =~ s/^ *//;
    
    $x = $_;

    # Remove white space at start of line
    $x =~ s/^ *//g;

    # Replace all non alpha characters with _
    $x =~ s/[^a-zA-Z]/_/g;

    # Save cleaned up line
    $xlate{$_} = $x;

    if ( /&/ ) { $_ =~ s/&/&amp;/g; }
    if ( /</ ) { $_ =~ s/</&lt;/g; }
    if ( />/ ) { $_ =~ s/>/&gt;/g; }
    if (/^[ A-Z]+$/) {
        # Section header (eg: GENERAL)
	print O "</ul><b>$_</b><ul>\n";
    } else {
        # Question / answer - create link to it
        if ($faqfile[$current_line+1] =~ /^     */) {
          
          # Continuation of the question.
          $current_line++;
          my $part2 = $faqfile[$current_line];
          
          # Remove white space at start of line
          $part2 =~ s/^ *//;

          print O "<li> <a href=\"#$x\">$_ $part2</a></li>\n";
        }
        else {
          print O "<li> <a href=\"#$x\">$_</a></li>\n";
        }
    }
    $current_line++;
}

print O "</ul><hr/><pre>\n";

# Print contents with targets defined
while($current_line <= $#faqfile) {
    $_ = $faqfile[$current_line];
    $current_line++;

    chomp();

    $y = $_;

    if (defined($xlate{$y})) {
	print O "<a name=\"$xlate{$y}\"></a>\n";
    }
    if ( /&/ ) { $_ =~ s/&/&amp;/g; }
    if ( /</ ) { $_ =~ s/</&lt;/g; }
    if ( />/ ) { $_ =~ s/>/&gt;/g; }
    print O "$_\n";
}

print O '
</pre>
';